
Stainless Steel Flow Sight Glass Indicator and Industrial Tank Sight Glass Flow Viewer. Source Factory Direct: Direct from LUMIGLAS, a specialized manufacturer with 20 years of experience in Jiangsu, China. Customizable Designs: Other sizes and high-pressure fused sight glasses available based on customer drawings. Comprehensive Certifications: Compliant with ISO 9001, PED 2014/68/EU, Ad 2000-Merkblatt, and ATEX explosion-proof standards. Premium Materials: Constructed with Stainless Steel 316L/316Ti and high-quality tempered glass discs. Wide Application Range: Ideal for chemical, pharmaceutical, petrochemical, water treatment, and energy industries. Quality Assurance: Every unit undergoes hydraulic and thermal testing before shipment. Innovation Patents: Backed by over 10 invention patents and 50 utility model patents.